diff --git a/configure.ac b/configure.ac
index 9d5c0a1f55e1e58150674dce4cfc7bdbe3c08740..038212cdb6135836fe2f1d2964be932a3261b945 100644
--- a/configure.ac
+++ b/configure.ac
@@ -908,7 +908,7 @@ if test $build_ft2232_ftd2xx = yes -o $build_presto_ftd2xx = yes -o $build_usb_b
       ])
     AC_SEARCH_LIBS([FT_GetLibraryVersion],[ftd2xx],,[
         AC_MSG_ERROR([You appear to be missing the FTD2xx driver library.])
-      ],[])
+      ],[-lrt -lusb-1.0])
   fi
 fi
 fi # linux